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Solar power and storage prices have dropped almost 90% (interestingengineering.com)

submitted 1 year ago by L4s@lemmy.world to c/technology@lemmy.world

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Solar power and storage prices have dropped almost 90%::undefined

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[–] tony@lemmy.hoyle.me.uk 8 points 1 year ago (1 children)

Maybe raw battery cost has reduced but installed storage is 30% more expensive than it was a couple of years ago, and it was too expensive then..

[–] zoe@infosec.pub 3 points 1 year ago* (last edited 1 year ago)

probably when using carbon cathodes instead of cobalt, the energy density drops from 300wh/kg to just 150wh/kg, so u would need extra anode/electrolyte mass to store the same amount of energy.i bet that those prices hikes are a result of diversion from rare earth metal mining..but just a guess